NZ Topo - object class crevasse_cl

This page describe the crevasse_cl object class used to represent objects in the NZTopo topographic database.


A crack or fissure in a glacier resulting from stress; may be 20m wide and 45 metres deep and several hundred metres long.

Ant50 description

In areas where there are a large number of crevasses, only a selection of the larger may be held in the data and shown on the maps

Representation specification

Representation specification showing crevasse_cl

Click to enlarge image

Important information: The absense of crevasse data does not necessarily indicate a crevasse-free area

See also: distice_poly

Class attributes

Object classcrevasse_cl
Entity classCREVASSE
Additional entity classNot applicable
Object inheritancesimple_line
Entity sourceUS Std Entity
Map series Ant50
LSLIFF object class500

Object attributes

This object class does not have attributes.

Change log

Feature versionRevisedDescription
32012-08-28Updated map image and aerial view; added representation specification and example feature photographs
22001-11-23Unspecified update
11999-03-01intial status